Product comparison · 2 keyboards

Lenovo 4X31R64480 keyboard Mouse included Home/Office RF Wireless Romanian Black vs Lenovo GX31S04978 keyboard Mouse included Office RF Wireless + Bluetooth Spanish Grey

45specifications compared
18differ
27identical
16known for one product only

Key differences

Recommended usage
- 4X31R64480 keyboard Mouse included Home/Office RF Wireless Romanian Black:Home/Office
- GX31S04978 keyboard Mouse included Office RF Wireless + Bluetooth Spanish Grey:Office
Device interface
- 4X31R64480 keyboard Mouse included Home/Office RF Wireless Romanian Black:RF Wireless
- GX31S04978 keyboard Mouse included Office RF Wireless + Bluetooth Spanish Grey:RF Wireless + Bluetooth
Keyboard language
- 4X31R64480 keyboard Mouse included Home/Office RF Wireless Romanian Black:Romanian
- GX31S04978 keyboard Mouse included Office RF Wireless + Bluetooth Spanish Grey:Spanish
Product colour
- 4X31R64480 keyboard Mouse included Home/Office RF Wireless Romanian Black:Black
- GX31S04978 keyboard Mouse included Office RF Wireless + Bluetooth Spanish Grey:Grey
Number of batteries (keyboard)
- 4X31R64480 keyboard Mouse included Home/Office RF Wireless Romanian Black:1
- GX31S04978 keyboard Mouse included Office RF Wireless + Bluetooth Spanish Grey:2
Service life of battery
- 4X31R64480 keyboard Mouse included Home/Office RF Wireless Romanian Black:15 month(s)
- GX31S04978 keyboard Mouse included Office RF Wireless + Bluetooth Spanish Grey:36 month(s)
Movement resolution
- 4X31R64480 keyboard Mouse included Home/Office RF Wireless Romanian Black:1600 DPI
- GX31S04978 keyboard Mouse included Office RF Wireless + Bluetooth Spanish Grey:4000 DPI
Buttons quantity
- 4X31R64480 keyboard Mouse included Home/Office RF Wireless Romanian Black:3
- GX31S04978 keyboard Mouse included Office RF Wireless + Bluetooth Spanish Grey:8

Side by side

Differences highlightedShow differences only

Comparison of 4X31R64480, GX31S04978
61 specifications	A Lenovo 4X31R64480 keyboard Mouse included Home/Office RF Wireless Romanian Black Model 4X31R64480 View product	B Lenovo GX31S04978 keyboard Mouse included Office RF Wireless + Bluetooth Spanish Grey Model GX31S04978 View product
Keyboard4 differ
Recommended usageDiffers	Home/Office	Office
Connectivity technology	Wireless	Wireless
Device interfaceDiffers	RF Wireless	RF Wireless + Bluetooth
Keyboard languageDiffers	Romanian	Spanish
Pointing device	No	No
Keyboard form factor	Full-size (100%)	Full-size (100%)
Numeric keypad	Yes	Yes
Keyboard keys operating life	10 million characters	10 million characters
Key pitch	1.91 cm	1.91 cm
Bluetooth versionKnown for one	Unknown — not stated by the source	5.3
CertificationDiffers	CB TUV Mark CE cTUVus FCC IC IMDA WPC BIS SIRIM NBTC-SDOC SDPPI NTC AITI TRC NCC BSMI MSIP VCCI JRF KVALITET ICASA TRA NTRA MOC PTA ICT EQM BOCRA ARCT ETA NCA POTRAZ	CB TUV Mark CE cTUVus FCC IC IMDA WPC BIS SIRIM NBTC-SDOC SDPPI NTC AITI TRC NCC BSMI MSIP VCCI JRF KVALITET ICASA TRA NTRA MOC PTA ICT EQM BOCRA ARCT ETA NCA POTRAZ etc.
Windows keysKnown for one	Yes	Unknown — not stated by the source
Copilot keyKnown for one	Yes	Unknown — not stated by the source
Frequency bandKnown for one	2.4 GHz	Unknown — not stated by the source
Security algorithmsKnown for one	128-bit AES	Unknown — not stated by the source
Design1 differ
Backlight	No	No
Keyboard styleKnown for one	Unknown — not stated by the source	Straight
Adjustable keyboard height	Yes	Yes
Product colourDiffers	Black	Grey
LED indicators	Yes	Yes
Protection featuresKnown for one	Spill resistant	Unknown — not stated by the source
Featuresidentical
Plug and Play	Yes	Yes
Power2 differ
Power source type	Battery	Battery
Keyboard battery type	AAA	AAA
Number of batteries (keyboard)Differs	1	2
Service life of batteryDiffers	15 month(s)	36 month(s)
USB Type-C charging port	No	No
Mouse2 differ
Mouse included	Yes	Yes
Form factor	Ambidextrous	Ambidextrous
Movement detection technology	Optical	Optical
Movement resolutionDiffers	1600 DPI	4000 DPI
Buttons quantityDiffers	3	8
Buttons typeKnown for one	Unknown — not stated by the source	Pressed buttons
Scroll	Yes	Yes
Scroll type	Wheel	Wheel
Scrolling directions	Vertical	Vertical
Mouse battery type	AA	AA
Number of batteries (mouse)Known for one	Unknown — not stated by the source	1
Mouse battery lifeKnown for one	18 month(s)	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 10, Windows 11
Mac operating systems supported	Yes	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mobile operating systems supportedKnown for one	Unknown — not stated by the source	Android
Other operating systems supportedKnown for one	Unknown — not stated by the source	ChromeOS
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 40 °C	-5 - 40 °C
Operating relative humidity (H-H)	20 - 95%	20 - 95%
Weight & dimensions4 differ
Keyboard dimensions (WxDxH)Differs	422.3 x 134.5 x 21.9 mm	433.6 x 123.4 x 25.2 mm
Keyboard weightDiffers	406.5 g	415 g
Mouse dimensions (WxDxH)Differs	110.1 x 61.5 x 36.1 mm	62 x 114.7 x 36.8 mm
Mouse weightDiffers	65.5 g	63.5 g
Packaging contentidentical
Number of products included	2 pc(s)	2 pc(s)
Receiver included	Yes	Yes
Wireless receiver interface	USB Type-A	USB Type-A
Batteries includedKnown for one	Unknown — not stated by the source	Yes
AC adapter included	No	No
Packaging data4 differ
Package widthDiffers	520 mm	562 mm
Package depthDiffers	142 mm	140.3 mm
Package heightDiffers	42 mm	54.6 mm
Package weightDiffers	998 g	883.5 g
Package type	Box	Box
Recycling dataidentical
Product post-consumer recycled plasticKnown for one	Unknown — not stated by the source	95%

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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